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        <meta charset="utf-8">
        <title>iframe练习</title>
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        <h1>参考浏览器：Google Chrome 104.0.5112.102</h1>
        <iframe src="https://cn.bing.com/" width="100%"></iframe>
        <a href="https://www.baidu.com/" target="_blank">百度</a>
        <a href="https://www.sina.com.cn/" target="_blank">新浪</a>
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